May 2025

Honeypot ultra

Published by Algis Pacevičius

This is our first time organizing Backyard ultra event. Event is held in old farm of beekeepers. Thats why event is named “Honeypot ultra” to support local and old... Read More

Race organizer
Bėgimo namai
Race date
May 1st, 2025
Calendar month
May
Race start time
09:00
Race location
Kaunas, Kūjagalviai, Lithuania
Race participant capacity
100
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
10
Venue Surface (day loop)
pavement: gravel
Race Director Contact Name
Algis Pacevičius
Contact Email
paceviciusalgis@gmail.com
May 2025

2 River Backyard Ultra

Published by northvic BYU

This race has no content yet.

Race date
May 17th, 2025
Calendar month
May
Race location
Echuca, Victoria, Australia
Race Director Contact Name
Robert Howse
Contact Email
northvicbyu@gmail.com
May 2026

Witiker Backyard Ultra

Silver:

Published by Carsten Drilling

The Witiker Backyard Ultra was the first backyard ultra in Switzerland. Witikon is a district of Zurich, surrounded by hilly forests and streams, which allows for superb 6.7 km... Read More

Race logo
Category
Silver:
Race organizer
Carsten Drilling
Race date
May 14th, 2026
Calendar month
May
Race start time
12:00
Race location
Zürich-Witikon, Zürich, Switzerland
Race participant capacity
100
Inaugural Year
1
Current number of loops record
41
Record holder info
Niklas Sjöblom 2020
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Strava link
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
400
Feet of Climb (night loop)
300
Venue Surface (day loop)
unpaved trails, no single trails, no asphalt
Venue Surface (night loop)
unpaved trails, no single trails, no asphalt
Race Director Contact Name
Carsten Drilling
Contact Email
drilling@gmx.de
May 2025

BackyardUltra Paraguana

Published by Miguel Davila

BackyardUltra Paraguaná es un evento realizado desde el 2020, este evento fue el anfitrión del Mundial Satélite por Equipos Venezuela 2022 y 2024. Se realiza en la Peninsula de... Read More

Race organizer
Miguel Davila
Race date
May 16th, 2025
Calendar month
May
Race start time
16:00
Race location
Peninsula de Paraguana, Falcon, Venezuela
Race participant capacity
50
Current number of loops record
29
Record holder info
Juancarlos Stringer (2023)
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Strava link
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
92
Venue Surface (day loop)
98% Trail; 3% Soft Base Asphalt
Race Director Contact Name
Miguel Davila
Contact Email
descubriendoparaguana@gmail.com
May 2026

Spain Backyard Ultra

Silver:

Published by Luis Rodriguez

Loop under trees from the castle of the declared in 2018 the most beautiful villages in Spain, Castro Caldelas,  located in the Cañones del Sil, in the Ribeira Sacra,... Read More

Race logo
Category
Silver:
Race organizer
Luis Rodriguez
Race date
May 23rd, 2026
Calendar month
May
Race start time
10:00
Race location
Castro Caldelas, Galicia, Spain
Race participant capacity
150
Inaugural Year
2
Current number of loops record
38
Record holder info
Ibon Gamboa 2021
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
787
Feet of Climb (night loop)
786.8
Venue Surface (day loop)
trail
Venue Surface (night loop)
trail
Race Director Contact Name
Luis Rodriguez
Contact Email
lrodrig3@gmail.com
May 2025

WINTER BAY Backyard Ultra

Published by Mikael Hasselrot

Welcome to the 4th edition of WINTER BAY Backyard Ultra 2025 – the race in central Stockholm – with start/finish right next to Liljeholmens T-bana! The 1st edition in May... Read More

Race logo
Race organizer
Run Raisers
Race date
May 3rd, 2025
Calendar month
May
Race start time
10:00
Race location
Liljeholmen, Stockholm, Sweden
Race participant capacity
220
Current number of loops record
41
Record holder info
Mai Bui
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
236
Venue Surface (day loop)
Gravel, asphalt, forest paths
Race Director Contact Name
Micke Hasselrot
Contact Email
info@runraisers.com
May 2026

Katzen Sprung’s Backyard Ultra

Published by Jan Schrobsdorff

The Katzen Sprung’s Backyard Ultra is a low key fundraiser race in northern Germany, first held in 2019. We combine the good things in running: good people, long distance, nice... Read More

Race logo
Race organizer
Jan Schrobsdorff
Race date
May 2nd, 2026
Calendar month
May
Race start time
05:45
Race location
Bremen, Bremen, Germany
Race participant capacity
79
Current number of loops record
27
Record holder info
Jörn Künstner - 27
Race website
Go to URL
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
30
Race Director Contact Name
Jan Schrobsdorff
Contact Email
schrobsdorff@posteo.de
May 2025

Dotka Backyard Ultra

Published by Robert Bernat

With more than 550ft elevation gain per loop, and the fact that 95% of the course is single-track, it’s one of the toughest and nicest backyard courses. Dotrščina forest is... Read More

Race logo
Race organizer
Saša Jungić
Race date
May 17th, 2025
Calendar month
May
Race start time
10:00
Race location
Zagreb, Croatia
Race participant capacity
50
Current number of loops record
19
Record holder info
Matej Nidorfer (SLO)
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Strava link
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
550
Venue Surface (day loop)
Trail, single track, dirt
Race Director Contact Name
Saša Jungić
Contact Email
info@ligadotka.com
May 2025

Dead Cow Gully Backyard Ultra

Published by Timothy Walsh

Situated on a 1600 acre cattle property in Country Queensland, this Backyard Ultra is a unique trail run that is a MUST DO on the Australian running calendar. Read More

Race organizer
Timothy Walsh
Race date
Jun 21st, 2025
Calendar month
May
Race start time
07:00
Race location
NANANGO , Queensland , Australia
Race participant capacity
250
Current number of loops record
102
Record holder info
Phil Gore - 102
Event registration page
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
45
Race Director Contact Name
Timothy Walsh
Contact Email
timothy86walsh@gmail.com
May 2025

Sky Pilots Ouray Backyard Ultra

Published by virginia laforme

Course Summary An easy out-and-back with only 140 feet of vert (1.3% average grade). The course includes about 0.50 mile on asphalt running track, 0.75 mile on smooth dirt roads,... Read More

Race logo
Race organizer
virginia laforme
Race date
May 17th, 2025
Calendar month
May
Race start time
09:00
Race location
Ouray, Colorado, United States of America
Race participant capacity
75
Current number of loops record
49
Record holder info
Christian Arguello 2024
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Strava link
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
140
Venue Surface (day loop)
mixture of asphalt paths, dirt road, gravel paths
Race Director Contact Name
virginia laforme
Contact Email
truchaspeaks7@hotmail.com
May 2026

Perfect PR Backyard Ultra by The Ode

Published by Tad Machrowicz

If your lap record PR is your goal, this race is for you. The majority of our runners are achieving their single-event best distance on this amazing course. A beautiful... Read More

Race logo
Race organizer
Innoform
Race date
May 16th, 2026
Calendar month
May
Race start time
09:00
Race location
Clarkston, MI, United States of America
Race participant capacity
400
Current number of loops record
30
Record holder info
Brian Bondy (CAN) 2022, Chase Bendolik (USA) 2024
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Strava link
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
58
Venue Surface (day loop)
Trail/Wood/Paved Path
Race Director Contact Name
Tad Machrowicz
Contact Email
innoformllc@gmail.com
May 2026

Portland Pig Backyard Ultra

Silver:

Published by Mark Steen

Welcome to our version of the Backyard Ultra right here on the Isle of Portland. Over the weekend runners will be provided with fully waymarked route, amazing marshals, ample camping... Read More

Category
Silver:
Race organizer
Bustinskin Events
Race date
May 1st, 2026
Calendar month
May
Race start time
12:00
Race location
Portland, Dorset, England, United Kingdom
Race participant capacity
300
Current number of loops record
39
Record holder info
Andy Imms 2024
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
323
Venue Surface (day loop)
mixed terrain, compact foot paths, grass, tarmac, gravel.
Race Director Contact Name
Mark Steen
Contact Email
races@bustinskin.com
May 2025

5e WUK M&M Backyard ultra

Published by Marathon and More Belgium

This is already our fifth edition of the WUK M&M Backyard Ultra. The event starts at Friday evening 8 PM on May 23th 2025. We have our eventsite for... Read More

Race organizer
Marathon and More Belgium vzw
Race date
May 23rd, 2025
Calendar month
May
Race start time
19:00
Race location
Doomkerke (Ruiselede), West-Vlaanderen, Belgium
Race participant capacity
80
Current number of loops record
45
Record holder info
Yvan De Graef - 2024
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
55
Venue Surface (day loop)
mixed trail by forest paths and road
Race Director Contact Name
Joeri Schepers
Contact Email
6uurvanaalter@gmail.com
May 2025

No Time To Die Frontyard Ultra

Published by Shaun Kaesler

No Time To Die Frontyard Ultra was inspired by the sister event ‘Herdy’s Frontyard in Perth where we set... Read More

Race logo
Race organizer
Ultra Series
Race date
May 16th, 2025
Calendar month
May
Race start time
12:00
Race location
Adelaide, South Australia, Australia
Race participant capacity
300
Current number of loops record
58
Record holder info
Johan Botha
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Race Director Contact Name
Shaun Kaesler
Contact Email
info@ultraseries.com.au
May 2026

Big Wolf’s Backyard Ultra – Lévis

Published by Yvan L'Heureux

It is described as one of the most mentally and strategically gruelling races in the world. Contestants run a 4.1 mile loop every hour, all day, all night, nonstop. The... Read More

Race logo
Race organizer
Big Wolf
Race date
May 9th, 2026
Calendar month
May
Race start time
10:00
Race location
Lévis, Quebec, Canada
Race participant capacity
125
Current number of loops record
38
Record holder info
Jérémy Savoie
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
100
Venue Surface (day loop)
Trail
Race Director Contact Name
Big Wolf
Contact Email
info@bigwolfsbackyard.com
May 2026

Iceland Backyard Ultra 101

Silver:

Published by Elisabet Margeirsdottir

The Iceland Backyard UItra 101 will be held for the 5th time on the 9th of May 2026 in the heart of Reykjavik.Employees and volunteers from Arctic Running/Náttúruhlaup will... Read More

Race logo
Category
Silver:
Race organizer
Arctic Running
Race date
May 9th, 2026
Calendar month
May
Race start time
09:00
Race location
Reykjavik, Reykjavik Capital Area, Iceland
Race participant capacity
250
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Race Director Contact Name
Elisabet Margeirsdottir
Contact Email
elisabet@arcticrunning.is
May 2026

Lakou Backyard Ultra

Published by Bryan Wallace

The Lakou Backyard Ultra will be added to the races of River’s Edge Running Series all of which are fundraisers for a maternity centre in Haiti.The races are run... Read More

Race logo
Race organizer
Rivers Edge Running Series
Race date
May 16th, 2026
Calendar month
May
Race start time
09:00
Race location
Edmonton, Alberta, Canada
Race participant capacity
100
Current number of loops record
31
Record holder info
Brad Schroeder. 2024
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
135
Venue Surface (day loop)
Grass and dirt trails through fields and forest.
Race Director Contact Name
Bryan Wallace
Contact Email
riversedgeultra@gmail.com
May 2025

Elsa Chicken Plucker Backyard Ultra

Published by Rebecca McIntire

Will you get plucked or be the King or Queen Plucker?  Can you make 18 laps to beat last year’s 17?! We have 149 acres of private property with... Read More

Race organizer
Rebecca McIntire
Race date
May 31st, 2025
Calendar month
May
Race start time
09:00
Race location
Charleston, Illinois, United States of America
Race participant capacity
100
Current number of loops record
17
Record holder info
Chris Silva
Race website
Go to URL
Event registration page
Go to URL
Loop details
There's a day time/night time loop
Feet of Climb (day loop)
387
Feet of Climb (night loop)
76
Venue Surface (day loop)
Some grass, Dirt single track
Venue Surface (night loop)
Gravel, paved road
Race Director Contact Name
Rebecca McIntire
Contact Email
Irontriathlete7@yahoo.com
May 2026

God’s Own Backyard Ultra-Spring 2025

Silver:

Published by Gavin Birkett

Can you be the last person standing in the GOBYU 9? Join us for Yorkshires BYU on the outskirts of Leeds. The hidden gem of a venue offers peace... Read More

Category
Silver:
Race organizer
Gavin Birkett
Race date
May 23rd, 2026
Calendar month
May
Race start time
08:00
Race location
Leeds, Yorkshire, United Kingdom
Race participant capacity
100
Current number of loops record
41
Record holder info
Phil Harris fall 2025
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Loop details
There's a day time/night time loop
Feet of Climb (day loop)
300
Venue Surface (day loop)
Mixed terrain, tamac & trail
Venue Surface (night loop)
Tarmac path
Race Director Contact Name
Gavin Birkett
Contact Email
gavinbirkett@msn.com
May 2025

V BACKYARD ULTRA LOS MONTESINOS · COSTA BLANCA

Published by Ana Belen Juarez Pastor

Somos una administración local Ayuntamiento quien a través de su concejalía de deportes organiza este evento, sin ánimo lucrativo con el único interés de promocionar el deporte y generar... Read More

Race organizer
Concejalia Deportes Los Montesinos
Race date
May 30th, 2025
Calendar month
May
Race start time
19:00
Race location
Los Montesinos, Alicante, Spain
Race participant capacity
250
Current number of loops record
38
Record holder info
Ivan Perea
Race website
Go to URL
Event registration page
Go to URL
Race facebook URL
Go to URL
Strava link
Go to URL
Loop details
Runners will run the same loop for the entire race
Feet of Climb (day loop)
31.2
Venue Surface (day loop)
31.2
Race Director Contact Name
Ana Belen Jaurez Pastor
Contact Email
deportes@losmontesinos.org